Technical Documents
PDF / CAD
RoHS Compliant · Lead-Free
EIA-481 Standard
Sanken 2SB1257
MPN 2SB1257
Active
Spot Stock · 24-48h Dispatch
100% Original Sealed
TRANS PNP DARL 60V 4A TO220F
In Stock: 572 pcs
MOQ: 1 pcs
Logistics: DHL / FedEx DAP (Global Express · 3-7d)
Russia & CIS DDP (Door-to-Door Cleared)
Dispatch: Shenzhen / HK
Unit Price (USD)
$2.10 / pc
Direct Purchase Ready
Volume Pricing Breaks Confirmed upon quotation
1+ pcs
$2.10
10+ pcs
$1.89
30+ pcs
$1.72
100+ pcs
$1.55
500+ pcs
$1.45
Working on a production BOM or have a target unit price? Submit Target Price
[SPEC] Essential Parameters Snapshot Full Specifications (12)
Package / Case TO-220-3 Full Pack
Full Technical Specifications
12 Parameters| Parameter / Attribute | Specification / Value |
|---|---|
| Mounting | Through Hole |
| FET type | PNP - Darlington |
| Voltage - collector emitter breakdown | 60 V |
| Current - collector (Ic) | 4 A |
| Current - collector cutoff | 10µA (ICBO) |
| DC current gain (hFE) (Min) @ ic, vce | 2000 @ 3A, 4V |
| Power - max | 25 W |
| Frequency - transition | 150MHz |
| Operating temperature | 150°C (TJ) |
| Package | Bulk |
| Case | TO-220-3 Full Pack |
| Vce saturation (Max) @ ib, ic | 1.5V @ 6mA, 3A |
[DESK] Shenzhen Spot Allocation · 2h Response
Need Immediate Spot Stock or Shortage Allocation for 2SB1257?
Factory lead times blocking production? We lock verified brand-new original stock in Shenzhen within 2 hours.
Quote SLA 2 Hours
[01] Emergency Shortage 24-48h Shenzhen Dispatch
Direct access to Shenzhen floor inventory, franchised allocation buffers, and factory bonded stock to resolve line-down shutdowns.
[02] Industrial Packaging Tape & Reel / Tray / Tube
Standard factory-sealed packaging compliant with EIA-481 standards for automated high-speed SMT pick-and-place lines.
[03] WhatsApp QC Proof 45x Microscope QC Photos
High-resolution photos of original reel labels, 2D DataMatrix, and pin coplanarity sent via WhatsApp/Telegram before you release wire payment.
● USD Wire Transfer (SWIFT T/T) · DAP Express / DDP Delivery
2SB1257
Verified Allocation